-
-
Notifications
You must be signed in to change notification settings - Fork 71
/
Dockerfile
178 lines (149 loc) · 6.85 KB
/
Dockerfile
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
# This is a multi-stage Dockerfile, with a selectable first stage. With this
# approach we get:
#
# 1. Separation of dependencies needed to build our app in the 'build' stage
# and those needed to run our app in the 'final' stage, as we don't want
# the build-time dependencies to be included in the final Docker image.
#
# 2. Support for either building our app for the architecture of the base
# image using MODE=build (the default) or for externally built app
# binaries (e.g. cross-compiled) using MODE=copy.
#
# In total there are four stages consisting of:
# - Two possible first stages: 'build' or 'copy'.
# - A special 'source' stage which selects either 'build' or 'copy' as the
# source of binaries to be used by ...
# - The 'final' stage.
###
### ARG DEFINITIONS ###########################################################
###
# This section defines arguments that can be overriden on the command line
# when invoking `docker build` using the argument form:
#
# `--build-arg <ARGNAME>=<ARGVALUE>`.
# MODE
# ====
# Supported values: build (default), copy
#
# By default this Dockerfile will build our app from sources. If the sources
# have already been (cross) compiled by some external process and you wish to
# use the resulting binaries from that process, then:
#
# 1. Create a directory on the host called 'dockerbin/$TARGETPLATFORM'
# containing the already compiled app binaries (where $TARGETPLATFORM
# is a special variable set by Docker BuiltKit).
# 2. Supply arguments `--build-arg MODE=copy` to `docker build`.
ARG MODE=build
# BASE_IMG
# ========
#
# Only used when MODE=build.
ARG BASE_IMG=alpine:3.18
# CARGO_ARGS
# ==========
#
# Only used when MODE=build.
#
# This ARG can be used to control the features enabled when compiling the app
# or other compilation settings as necessary.
ARG CARGO_ARGS
###
### BUILD STAGES ##############################################################
###
# -----------------------------------------------------------------------------
# Docker stage: build
# -----------------------------------------------------------------------------
#
# Builds our app binaries from sources.
FROM ${BASE_IMG} AS build
ARG CARGO_ARGS
RUN apk add --no-cache rust cargo
WORKDIR /tmp/build
COPY . .
# `CARGO_HTTP_MULTIPLEXING` forces Cargo to use HTTP/1.1 without pipelining
# instead of HTTP/2 with multiplexing. This seems to help with various
# "spurious network error" warnings when Cargo attempts to fetch from crates.io
# when building this image on Docker Hub and GitHub Actions build machines.
#
# `cargo install` is used instead of `cargo build` because it places just the
# binaries we need into a predictable output directory. We can't control this
# with arguments to cargo build as `--out-dir` is unstable and contentious and
# `--target-dir` still requires us to know which profile and target the
# binaries were built for. By using `cargo install` we can also avoid needing
# to hard-code the set of binary names to copy so that if we add or remove
# built binaries in future this will "just work". Note that `--root /tmp/out`
# actually causes the binaries to be placed in `/tmp/out/bin/`. `cargo install`
# will create the output directory for us.
RUN CARGO_HTTP_MULTIPLEXING=false cargo install \
--locked \
--path . \
--root /tmp/out/ \
${CARGO_ARGS}
# -----------------------------------------------------------------------------
# Docker stage: copy
# -----------------------------------------------------------------------------
# Only used when MODE=copy.
#
# Copy binaries from the host directory 'dockerbin/$TARGETPLATFORM' directory
# into this build stage to the same predictable location that binaries would be
# in if MODE were 'build'.
#
# Requires that `docker build` be invoked with variable `DOCKER_BUILDKIT=1` set
# in the environment. This is necessary so that Docker will skip the unused
# 'build' stage and so that the magic $TARGETPLATFORM ARG will be set for us.
FROM ${BASE_IMG} AS copy
ARG TARGETPLATFORM
ONBUILD COPY dockerbin/$TARGETPLATFORM /tmp/out/bin/
# -----------------------------------------------------------------------------
# Docker stage: source
# -----------------------------------------------------------------------------
# This is a "magic" build stage that "labels" a chosen prior build stage as the
# one that the build stage after this one should copy application binaries
# from. It also causes the ONBUILD COPY command from the 'copy' stage to be run
# if needed. Finally, we ensure binaries have the executable flag set because
# when copied in from outside they may not have the flag set, especially if
# they were uploaded as a GH actions artifact then downloaded again which
# causes file permissions to be lost.
# See: https://github.com/actions/upload-artifact#permission-loss
FROM ${MODE} AS source
RUN chmod a+x /tmp/out/bin/*
# -----------------------------------------------------------------------------
# Docker stage: final
# -----------------------------------------------------------------------------
# Create an image containing just the binaries, configs & scripts needed to run
# our app, and not the things needed to build it.
#
# The previous build stage from which binaries are copied is controlled by the
# MODE ARG (see above).
FROM ${BASE_IMG} AS final
# Copy binaries from the 'source' build stage into the image we are building
COPY --from=source /tmp/out/bin/* /usr/local/bin/
# Build variables for uid and guid of user to run container
ARG RUN_USER=routinator
ARG RUN_USER_UID=1012
ARG RUN_USER_GID=1012
# Install required runtime dependencies
RUN apk add --no-cache libgcc rsync tini
RUN addgroup -g ${RUN_USER_GID} ${RUN_USER} && \
adduser -D -u ${RUN_USER_UID} -G ${RUN_USER} ${RUN_USER}
# Create the repository directory
RUN mkdir -p /home/${RUN_USER}/.rpki-cache/repository && \
chown -R ${RUN_USER_UID}:${RUN_USER_GID} /usr/local/bin/routinator /home/${RUN_USER}/.rpki-cache
# Switch to our applications user
USER $RUN_USER_UID
# Hint to operators the TCP port that the application in this image listens on
# (by default). Routinator documentation and DEB/RPM packages configure
# Routinator to listen for HTTP requests on port 8323. For consistency we do
# the same, but for backward compatibility with earlier versions of this file
# we still also listen for HTTP requests on port 9556, the port number
# allocated by the Prometheus project [1] for Routinator metric publication.
#
# [1]: https://github.com/prometheus/prometheus/wiki/Default-port-allocations
EXPOSE 3323/tcp
EXPOSE 8323/tcp
EXPOSE 9556/tcp
# Use Tini to ensure that our application responds to CTRL-C when run in the
# foreground without the Docker argument "--init" (which is actually another
# way of activating Tini, but cannot be enabled from inside the Docker image).
ENTRYPOINT ["/sbin/tini", "--", "routinator"]
CMD ["server", "--rtr", "0.0.0.0:3323", "--http", "0.0.0.0:8323", "--http", "0.0.0.0:9556"]