Dockerfile

# Build
FROM golang:1.12 as builder

RUN go get -d -v github.com/odise/go-cron \
    && cd /go/src/github.com/robfig/cron \
    && git checkout tags/v1.2.0 \
    && cd /go/src/github.com/odise/go-cron \
    && CGO_ENABLED=0 GOOS=linux go build -o go-cron bin/go-cron.go

# Package
FROM debian:buster-slim

ARG BINFILES_REPO="https://github.com/inblockio/MediaWiki_Backup"

RUN apt-get update && apt-get install -y --no-install-recommends \
    gnupg dirmngr bzip2 apt-transport-https ca-certificates git && \
    rm -rf /var/lib/apt/lists/*

RUN set -uex; \
    # gpg: key 5072E1F5: public key "MySQL Release Engineering <mysql-build@oss.oracle.com>" imported
    key='A4A9406876FCBD3C456770C88C718D3B5072E1F5'; \
    export GNUPGHOME="$(mktemp -d)"; \
    (gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$key" \
    || gpg --batch --keyserver keys.openpgp.org --recv-keys "$key" \
    || gpg --batch --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key"); \
    gpg --batch --export "$key" > /etc/apt/trusted.gpg.d/mysql.gpg; \
    gpgconf --kill all; \
    rm -rf "$GNUPGHOME"; \
    apt-key list > /dev/null

ENV MYSQL_MAJOR 8.0

RUN echo "deb http://repo.mysql.com/apt/debian/ buster mysql-${MYSQL_MAJOR}" > /etc/apt/sources.list.d/mysql.list

RUN apt-get update \
    && apt-get install -y mysql-community-client-core \
    && rm -rf /var/lib/apt/lists/*

RUN mkdir -p /etc/default /etc/mysql

COPY --from=builder /go/src/github.com/odise/go-cron/go-cron /usr/local/bin/
COPY automysqlbackup start.sh /usr/local/bin/
COPY my.cnf /etc/mysql/

RUN chmod +x /usr/local/bin/go-cron \
    /usr/local/bin/automysqlbackup \
    /usr/local/bin/start.sh

COPY scripts/* /usr/local/bin

RUN update-ca-certificates
RUN git clone "${BINFILES_REPO}.git" /tmp/binfiles && \
    cp /tmp/binfiles/*.sh /usr/local/bin

WORKDIR /backup

ENV USERNAME=           \
    MEDIAWIKI_LOCALSETTINGS_PATH=/var/www/html/LocalSettings.php \
    PASSWORD=           \
    DBHOST=localhost    \
    DBNAMES=all         \
    DBPORT=3306         \
    BACKUPDIR="/backup" \
    MDBNAMES=           \
    DBEXCLUDE=""        \
    IGNORE_TABLES=""    \
    CREATE_DATABASE=yes \
    SEPDIR=yes          \
    DOWEEKLY=6          \
    COMP=gzip           \
    COMMCOMP=no         \
    LATEST=no           \
    MAX_ALLOWED_PACKET= \
    SOCKET=             \
    PREBACKUP=          \
    POSTBACKUP=         \
    ROUTINES=yes        \
    EXTRA_OPTS=         \
    CRON_SCHEDULE=

CMD ["start.sh"]